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FHS21ZKT9 PDF预览

FHS21ZKT9

更新时间： 2023-01-03 03:18:40
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DC-DC Regulated Power Supply Module, 1 Output, 500W, Hybrid

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FHS21ZKT9 数据手册

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FHS Series – 500W Full-Brick DC/DC Converter  
48V Input  
Preliminary Data Sheet  
12V, 24V, 28V Output  
Features  
•
•
Low profile – 12.7 mm height  
Input/output isolation: 1500VDC, Basic  
insulation, 2250VDC withstand capability  
High efficiency - up to 93% at full load  
Start-up into high capacitive load  
Low conducted and radiated EMI  
Output overcurrent protection  
Output overvoltage protection  
Overtemperature protection  
•
•
•
•
•
•
•
•
Applications  
Remote sense  
Remote on/off (primary referenced), positive  
or negative logic option  
• Distributed power architectures  
• Telecommunications equipment  
• LAN/WAN applications  
•
•
Output voltage trim adjust, positive or  
negative option  
UL 1950 Recognition, CSA 22.2 No. 950-95  
certification, TUV IEC950  
• Data processing applications  
Description  
The FHS Series power modules are DC/DC converters that operate over an input voltage range of 36 to 75VDC and  
provide a regulated DC output voltage at up to 42 amps of output current. The output is fully isolated from the input,  
which allows a positive or negative output configuration.  
The open-frame module is constructed with a two-board approach. The power devices are connected to an  
Insulated Metal Substrate (IMS) base plate, which provides very low thermal impedance. A separate PCB is  
populated with the control circuitry and is physically isolated from the hotter IMS board. This approach allows for  
lower component temperatures, hence increased reliability. The standard feature set includes remote on/off, remote  
output voltage sensing, positive logic output trim (optional negative logic output trim available), input under and  
overvoltage lockout and overtemperature shutdown with hysteresis.  
A microcontroller has been employed within the supervisory circuitry offering increased flexibility in the product’s  
feature set. (Remote on/off logic can be selected at the time of manufacture to be either positive or negative with a  
simple program change. Similarly, overcurrent protection and output overvoltage protection functions can be  
changed from the normal non-latching mode to latching mode with a simple program change. Specific changes  
should be discussed with the factory.)  
Selection Chart  
Model  
Input  
voltage  
(VDC)  
36-75  
36-75  
36-75  
Input  
current,  
Max, (ADC)  
Output Output rated  
Output  
Ripple/Noise  
(mV p-p)  
Typical  
Efficiency  
@ I rated, (%)  
92.5  
voltage  
(VDC)  
current  
rated, (ADC)  
I
FHS42ZH  
FHS21ZK  
FHS18Z28  
16  
16  
16  
12  
24  
28  
42  
21  
18  
100  
150  
150  
92.5  
93  
This product is intended for integration into end-use equipment. All the required procedures for CE marking of end-use  
equipment should be followed.  
REV. SEP 20, 2002  
Page 1 of 11  
1234567...11

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